The speed (v) of the wave is equal to the product of frequency and

  • vibration
  • amplitude
  • wavelength
  • time period

The oscillations of a system in the presence of some resistive force are

  • linear oscillations
  • simple harmonic oscillations
  • damped oscillations
  • random oscillations

A transverse wave produced on a spring has a frequency of 200 Hz and travels along the length of a spring of 80 m in 0.5 seconds. The speed of the wave will be

  • 122 ms-1
  • 140 ms-1
  • 133 ms-1
  • 150 ms-1

In one second, a human eardrum can oscillate back and forth up to

  • 30,000 times
  • 10,000 times
  • 25,000 times
  • 20,000 times

The bending of waves around the corners of slits is called

  • Reflection
  • Refraction
  • diffraction
  • Deflection

If gm = ge ⁄ 6, the time period of a simple pendulum is 2s and ge = 10ms-2. The length of the pendulum on the moon will be

  • 2 m
  • 1 m
  • 0.17 m
  • 2.5 m

The force that pulls the mass towards mean position is called

  • Gravitational force
  • Frictional force
  • Torque
  • Restoring force

If a simple pendulum is 1.0 m long and force of gravity acting on it is 10.0 ms-2, then it's time period and frequency are

  • 1.99s and 0.50Hz
  • 2s and 60Hz
  • 5s and 40Hz
  • 4s and 60Hz

The potential energy of mass attached to spring at extreme position is

  • maximum
  • minimum
  • zero
  • moderate

The expression for Hooke's law is

  • F = ma
  • F = -kx
  • F = vl
  • F = m1m2

If the mass of bob is increased 3 times then it's period

  • increases
  • decreases 2 times
  • remains same
  • increases 4 times

The characteristic of wave independent of others is

  • frequency
  • speed
  • wavelength
  • amplitude

If 160 waves pass through a point of a medium in 40 seconds. Its frequency is

  • 4 Hz
  • 2 Hz
  • 5 Hz
  • 3 Hz

From one place to another, through waves, we can transfer

  • heat
  • energy
  • sound
  • gas

The velocity of simple harmonic motion at the extreme position is always

  • maximum
  • minimum
  • zero
  • negative

Water waves are

  • electromagnetic
  • longitudinal
  • mechanical
  • chemical

Christian Huygens invented the pendulum clock in

  • 1657
  • 1670
  • 1682
  • 1656

A human ear can oscillate back and forth up to

  • 18,000 times per second
  • 200 times per second
  • 20,000 times per second
  • 100 times per second

A device to produce water waves and to study their characteristics is known as

  • screw gauge
  • ripple tank
  • measuring cylinder
  • wave container

The time T of the simple harmonic motion of a mass m attached to a spring is given by

  • T = 2π √(k/m)
  • T = 2π √(m/k)
  • T = π √(k/m)
  • T = 2π √(m+k)
0 h : 0 m : 1 s

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